Finding the Third Proportional to 1,447,644 and 2,129,362

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447,644 : 2,129,362 = 2,129,362 : x
2. Step 2: Convert to fraction form
   1,447,644/2,129,362 = 2,129,362/x
3. Step 3: Cross multiply
   1,447,644x = 2,129,362 × 2,129,362
4. Step 4: Simplify right side
   1,447,644x = 4,534,182,527,044
5. Step 5: Solve for x
   x = 4,534,182,527,044/1,447,644
6. Step 6: Final answer
   x = 3,132,111.57